[src/trunk]: src/sys/arch/sparc/dev add SCATTER/GATHER instructions

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d1d811718cbe
branches:  trunk
changeset: 357999:d1d811718cbe
user:      macallan <macallan%NetBSD.org@localhost>
date:      Thu Dec 07 19:15:56 2017 +0000

description:
add SCATTER/GATHER instructions

diffstat:

 sys/arch/sparc/dev/sxreg.h |  10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diffs (22 lines):

diff -r 66b7d6c32c6d -r d1d811718cbe sys/arch/sparc/dev/sxreg.h
--- a/sys/arch/sparc/dev/sxreg.h        Thu Dec 07 18:26:51 2017 +0000
+++ b/sys/arch/sparc/dev/sxreg.h        Thu Dec 07 19:15:56 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sxreg.h,v 1.14 2017/10/30 21:41:39 macallan Exp $      */
+/*     $NetBSD: sxreg.h,v 1.15 2017/12/07 19:15:56 macallan Exp $      */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -290,4 +290,12 @@
 #define SX_ADDV(sa, sb, d, cnt) (0xa0000000 | ((cnt) << 24) | SX_ADD_V | \
                ((sa) << 14) | ((d) << 7) | (sb))
 
+/* MISC group */
+#define SX_GTHR                (3 << 21)       /* sa with spacing sb -> d */
+#define SX_SCTR                (2 << 21)       /* sa -> d with spacing sb */
+#define SX_GATHER(sa, sb, d, cnt) (0xe0000000 | ((cnt << 24) | SX_GTHR | \
+               ((sa) << 14) | ((d << 7) | (sb))
+#define SX_SCATTER(sa, sb, d, cnt) (0xe0000000 | ((cnt << 24) | SX_SCRT | \
+               ((sa) << 14) | ((d << 7) | (sb))
+
 #endif /* SXREG_H */